/*****************************************************************************************
 * X2CRM Open Source Edition is a customer relationship management program developed by
 * X2Engine, Inc. Copyright (C) 2011-2013 X2Engine Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY X2ENGINE, X2ENGINE DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact X2Engine, Inc. P.O. Box 66752, Scotts Valley,
 * California 95067, USA. or at email address contact@x2engine.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * X2Engine" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by X2Engine".
 *****************************************************************************************/



function removeCheckerImage (element) {
    $(element).next ('div.sp-replacer').find ('.sp-preview-inner').css (
        'background-image', '');
}

function addCheckerImage (element) {
    $(element).next ('div.sp-replacer').find ('.sp-preview-inner').css (
        'background-image', 'url("' + yii.baseUrl + '/themes/x2engine/images/checkers.gif")');
}

function setupSpectrum (element, replaceHash /* optional */) {
    replaceHash = typeof replaceHash === 'undefined' ? false : true;

    $(element).spectrum ({
        move: function (color) {
            $(element).data ('ignoreChange', true);
        },
        hide: function (color) {
            removeCheckerImage ($(element));
            $(element).data ('ignoreChange', false);

            if (replaceHash) {
                var text = color.toHexString ().replace (/#/, '');
            } else {
                var text = color.toHexString ();
            }

            $(element).val (text);
            $(element).change ();
        }
    });
    
    $(element).show ();
    if ($(element).val () === '') {
        addCheckerImage ($(element));
    }

    $(element).blur (function () {
        var color = $(this).val ();

        // make color picker color match input field without triggering change events
        if (color !== '') { 
            removeCheckerImage ($(this));

            if (replaceHash) {
                var text = '#' + color;
            } else {
                var text = color;
            }

            $(this).next ('div.sp-replacer').find ('.sp-preview-inner').css (
                'background', '#' + text);
        }
    });

    $(element).change (function () {
        var text = $(this).val ();
        if (text === '') {
            addCheckerImage ($(this));
        }
    });

}


